| 103 | int *ptr = (int *)malloc (sizeof (int)); |
| ^~~~~~~~~~~~~~~~~~~~~ |
| | |
| (1) allocated here |
| 104 | *ptr = 42; /* { dg-warning "dereference of possibly-NULL 'ptr'" } */ |
| ~~~~~~~~~ |
| | |
| (2) assuming ‘ptr’ is non-NULL |
| 105 | if (x) |
| ~ |
| | |
| (3) following ‘true’ branch (when ‘x != 0’)... |
| 106 | free (ptr); |
| ~~~~~~~~~~ |
| | |
| (4) ...to here |
| (5) freed here |
| 107 | |
| 108 | *ptr = 19; /* { dg-warning "use after 'free' of 'ptr'" } */ |
| ~~~~~~~~~ |
| | |
| (6) use after ‘free’ of ‘ptr’; freed at (5) |